<template>
	<view class="preview" v-if="currentInfo">
		<swiper circular :current="currentInd" @change="swiperChange">
			<swiper-item v-for="item in classList" :key="item._id">
				<image @click="changeMask" :src="item.picUrl" mode="aspectFill"></image>
			</swiper-item>
		</swiper>
		<view class="mask" v-show="isShow">
			<view class="goBack" @click="goBack" :style="{top: getStatusBarHeight() + 'px'}">
				<uni-icons type="back" color="#fff" size="20"></uni-icons>

			</view>
			<view class="count">
				{{currentInd + 1}} / {{classList.length}}
			</view>
			<view class="time">
				<uni-dateformat :date="new Date()" format="MM月dd日"></uni-dateformat>
			</view>
			<view class="date">
				<uni-dateformat :date="new Date()" format="hh:mm"></uni-dateformat>
			</view>
			<view class="footer">
				<view class="box" @click="openInfoPop">
					<uni-icons type="info" size="23"></uni-icons>
					<view class="text">信息</view>
				</view>
				<view class="box" @click="clickScore">
					<uni-icons type="star" size="23"></uni-icons>
					<view class="text">{{currentInfo.score}}分</view>
				</view>
				<view class="box" @click="clickDownload">
					<uni-icons type="download" size="23"></uni-icons>
					<view class="text">下载</view>
				</view>
			</view>
		</view>

		<uni-popup ref="infoPopup" type="bottom">
			<view class="infoPopup">
				<view class="header">
					<view></view>
					<view class="title">壁纸信息</view>
					<view class="close" @click="clickInfoClose">
						<uni-icons type="closeempty" size="18" color="#999"></uni-icons>
					</view>
				</view>
				<scroll-view scroll-y>
					<view class="content">
						<view class="row">
							<view class="label">壁纸ID：</view>
							<text class="value" selectable>{{currentInfo._id}}</text>
						</view>
						<!-- <view class="row">
							<view class="label">分类：</view>
							<text class="value" style="color: #28B389">明显美女</text>
						</view> -->
						<view class="row">
							<view class="label">发布人：</view>
							<text class="value" selectabl>{{currentInfo.nickname}}</text>
						</view>
						<view class="row">
							<view class="label">评分：</view>
							<view class="value rate">
								<uni-rate readonly touchable :value="currentInfo.score" size="16" />
								<text class="score">{{currentInfo.score}}分</text>
							</view>
						</view>
						<view class="row">
							<view class="label">摘要：</view>
							<text class="value" selectabl>{{currentInfo.description}}</text>
						</view>
						<view class="row">
							<view class="label">标签：</view>
							<view class="value tabs">
								<view class="tab" v-for="(item, index) in currentInfo.tabs" :key="index">
									{{item}}
								</view>
							</view>
						</view>

						<view class="copyright">
							图片非商业用途
						</view>
					</view>
				</scroll-view>
			</view>
		</uni-popup>

		<uni-popup type="center" ref="scorePopup" :is-mask-click="false">
			<view class="scorePopup">
				<view class="header">
					<view></view>
					<view class="title">{{isScored? '已经评过了~' : '壁纸评分'}}</view>
					<view class="close" @click="clickScoreClose">
						<uni-icons type="closeempty" size="18" color="#999"></uni-icons>
					</view>
				</view>
				<view class="content">
					<uni-rate v-model="userScore" allowHalf :disabled="isScored" disabled-color="#ffca3e" />
					<text class="text">{{userScore}}分</text>
				</view>
				<view class="footer">
					<button @click="submitScore" :disabled="!userScore || isScored" type="default" size="mini"
						plain>确定评分</button>
				</view>
			</view>
		</uni-popup>
	</view>
</template>

<script setup>
	import {
		onLoad,
		onShareAppMessage,
		onShareTimeline
	} from "@dcloudio/uni-app"
	import {
		ref,
		onMounted
	} from 'vue'
	import {
		getStatusBarHeight
	} from '@/utils/system.js'
	import {
		setScoreAPI,
		writeDownloadAPI,
		getDetailWallAPI
	} from '@/apis/index.js'

	const classList = ref([])
	// 当前图片信息
	const currentInfo = ref(null)

	// 从缓存中获取壁纸数据
	const storgClassList = uni.getStorageSync('storgClassList') || []
	classList.value = storgClassList.map(item => {
		return {
			...item,
			picUrl: item.smallPicurl.replace('_small.webp', '.jpg')
		}
	})
	// 获取壁纸预览图
	const currentId = ref('')
	const currentInd = ref(1)

	onLoad(async (e) => {
		currentId.value = e.id
		if (e.type == 'share') {
			const {
				data
			} = await getDetailWallAPI({
				id: currentId.value
			})
			classList.value = data.data.map(item => {
				return {
					...item,
					picUrl: item.smallPicurl.replace('_small.webp', '.jpg')
				}
			})
		}
		currentInd.value = classList.value.findIndex(item => item._id == currentId.value)
		currentInfo.value = classList.value[currentInd.value]
	})

	const swiperChange = (e) => {
		currentInd.value = e.detail.current
		currentInfo.value = classList.value[currentInd.value]
	}
	// 返回
	const goBack = () => {
		uni.navigateBack({
			success: () => {
				
			},
			fail: (err) => {
				uni.reLaunch({
					url: '/pages/index/index'
				})
			}
		})
	}
	const isShow = ref(true)
	const changeMask = () => {
		isShow.value = !isShow.value
	}
	const infoPopup = ref()
	const openInfoPop = () => {
		infoPopup.value.open()
	}

	const clickInfoClose = () => {
		infoPopup.value.close()
	}

	// 评分dom
	const scorePopup = ref()
	// 点击评分
	const clickScore = () => {
		if (currentInfo.value.userScore) {
			isScored.value = true
			userScore.value = currentInfo.value.userScore
		}
		scorePopup.value.open()
	}
	// 当前用户当前壁纸评分
	const userScore = ref(0)
	const isScored = ref(false)
	// 提交评分
	const submitScore = async () => {
		uni.showLoading({
			title: '加载中...'
		})
		const {
			data
		} = await setScoreAPI({
			classid: currentInfo.value.classid,
			wallId: currentInfo.value._id,
			userScore: userScore.value
		})
		uni.hideLoading()
		if (data.errCode == 0) {
			uni.showToast({
				title: "评分成功",
				icon: 'none'
			})
			classList.value[currentInd.value].userScore = userScore.value
			uni.setStorageSync("storgClassList", classList.value)
			clickScoreClose()
		}
	}
	// 关闭评分组件
	const clickScoreClose = () => {
		scorePopup.value.close()
		userScore.value = 0
		isScored.value = false
	}
	// 点击下载
	const clickDownload = async () => {
		// #ifdef H5
		uni.showModal({
			content: "长按保存壁纸",
			showCancel: false
		})
		// #endif

		// #ifndef H5
		try {
			uni.showLoading({
				title: '下载中...',
				mask: true
			})
			const {
				data
			} = await writeDownloadAPI({
				classid: currentInfo.value.classid,
				wallId: currentInfo.value._id,
			})
			if (data.errCode != 0) throw (data)
			uni.getImageInfo({
				src: currentInfo.value.picUrl,
				success: (res) => {
					uni.saveImageToPhotosAlbum({
						filePath: res.path,
						success: (e) => {
							uni.showToast({
								title: "保存成功，请到相册查看",
								icon: 'none'
							})
						},
						fail: (err) => {
							if (err.errMsg == 'saveImageToPhotosAlbum:fail cancel') {
								uni.showToast({
									title: "保存失败，请重试",
									icon: 'none'
								})
								return
							}
							uni.showModal({
								title: '提示',
								content: "需要授权保存相册",
								success: (sus) => {
									if (sus.confirm) {
										uni.openSetting({
											success: (setting) => {
												if (setting
													.authSetting[
														'scope.writePhotosAlbum'
													]) {
													uni.showToast({
														title: '获取授权成功',
														icon: 'none'
													})
												} else {
													uni.showToast({
														title: '获取授权失败',
														icon: 'none'
													})
												}
											}
										})
									}
								}
							})
						},
						complete: () => {
							uni.hideLoading()
						}
					})
				}
			})

		} catch (e) {
			uni.hideLoading()
		}

		// #endif
	}

	onMounted(() => {
		// getDetailPic()
	})

	// 分享微信好友
	onShareAppMessage((e) => {
		return {
			title: 'uni壁纸项目',
			path: `/pages/preview/preview?id=${currentId.value}&type=share`
		}
	})
	// 分享朋友圈
	onShareTimeline(() => {
		return {
			title: 'uni壁纸项目',
			query: `id=${currentId.value}&type=share`
		}
	})
</script>

<style lang="scss" scoped>
	.preview {
		position: relative;
		width: 100%;
		height: 100vh;

		swiper {
			width: 100%;
			height: 100%;

			image {
				width: 100%;
				height: 100%;
			}
		}

		.mask {
			&>view {
				position: absolute;
				left: 0;
				right: 0;
				margin: auto;
				width: fit-content;
				color: #fff;
			}

			.goBack {
				width: 38px;
				height: 38px;
				background: rgba(0, 0, 0, 0.5);
				left: 30rpx;
				// top: 0;
				margin-left: 0;
				border-radius: 100px;
				backdrop-filter: blur(10rpx);
				border: 1px solid rgba(255, 255, 255, 0.3);
				display: flex;
				align-items: center;
				justify-content: center;
			}

			.count {
				top: 10vh;
				background: rgba(0, 0, 0, 0.3);
				font-size: 28rpx;
				border-radius: 40rpx;
				padding: 8rpx 28rpx;
				backdrop-filter: blur(10rpx);
			}

			.time {
				font-size: 140rpx;
				top: calc(10vh + 80rpx);
				font-weight: 100;
				line-height: 1em;
				text-shadow: 0 4rpx rgba(0, 0, 0, 0.3);
			}

			.date {
				font-size: 34rpx;
				top: calc(10vh + 230rpx);
				text-shadow: 0 2rpx rgba(0, 0, 0, 0.3);
			}

			.footer {
				background: rgba(255, 255, 255, 0.8);
				bottom: 10vh;
				width: 65vw;
				height: 120rpx;
				border-radius: 60rpx;
				color: #000;
				display: flex;
				justify-content: space-around;
				align-items: center;
				box-shadow: 0 2rpx 0 rgba(0, 0, 0, 0.1);
				backdrop-filter: blur(20rpx);

				.box {
					display: flex;
					flex-direction: column;
					justify-content: center;
					align-items: center;
					padding: 2rpx 10rpx;

					.text {
						font-size: 26rpx;
						color: $text-font-color-2;
					}
				}
			}
		}

		.header {
			display: flex;
			justify-content: space-between;
			align-items: center;

			.title {
				color: $text-font-color-2;
				font-size: 26rpx;
			}

			.close {
				padding: 6rpx;
			}
		}

		.infoPopup {
			background: #fff;
			padding: 30rpx;
			border-radius: 30rpx 30rpx 0 0;
			overflow: hidden;

			scroll-view {
				max-height: 60vh;

				.content {
					.row {
						display: flex;
						padding: 16rpx 0;
						font-size: 32rpx;
						line-height: 1.7rem;

						.label {
							color: $text-font-color-3;
							width: 140rpx;
							text-align: right;
							font-size: 30rpx;
						}

						.value {
							flex: 1;
							width: 0;
						}

						.rate {
							display: flex;
							justify-content: start;
							align-items: center;

							.score {
								margin-left: 10rpx;
								font-size: 26rpx;
								color: $text-font-color-2;
							}
						}

						.tabs {
							display: flex;
							flex-wrap: wrap;
							align-items: center;

							.tab {
								border: 1px solid $brand-theme-color;
								color: $brand-theme-color;
								font-size: 22rpx;
								padding: 10rpx 30rpx;
								border-radius: 40rpx;
								line-height: 1em;
								margin: 0 10rpx 10rpx 0;
							}
						}
					}

					.copyright {
						font-size: 28rpx;
						padding: 20rpx;
						background: #F6F6F6;
						color: #666;
						border-radius: 10rpx;
						margin: 20rpx 0;
						line-height: 1.6em;
					}
				}
			}
		}

		.scorePopup {
			background: #fff;
			padding: 30rpx;
			width: 70vw;
			border-radius: 30rpx;

			.content {
				padding: 30rpx 0;
				display: flex;
				align-items: center;
				justify-content: center;

				.text {
					color: #ffca3e;
					padding-left: 10rpx;
					width: 80rpx;
					line-height: 1em;
					text-align: right;
				}
			}

			.footer {
				padding: 10rpx 0;
				display: flex;
				align-items: center;
				justify-content: center;
			}
		}
	}
</style>